tire sizes on stock 87 4x4 LWB - The 1947 - Present Chevrolet & GMC Truck Message Board Network

project87 · 03-22-2004, 07:47 AM

currently i have 235/75/15's on my truck, they look tiny on this truck, my buddy says i can get 32's on it without a lift and no rubbing? Any one have other size tires on a stock 4x4? thanks

DivineFord · 03-22-2004, 09:19 AM

I have known lots of people that run 31-32 inch tires on stock 1/2 ton pickups. they use small tires from the factory for a better ride and better fuel economy, but most trucks will fit a tire a few sizes larger than stock. The tires I have on my 92 half ton are almost 32 inches tall, and this truck came with tires that were 29 inches tall. no lift, no rubbing, no problem.

luxman2173 · 03-22-2004, 03:24 PM

i have an 87 4x4 stock with 33`s and i have no problems at all.

project87 · 03-22-2004, 08:58 PM

Anyone have any pictures of their trucks. I just want to see how it will turn out. also, what backspacing would be good to widen it just a little bit? stock wheels are 15x7 with 4.5" right? thanks again!

**JIMs70GMC** · 03-23-2004, 07:24 AM

My 85 had 31s on the stock ralleys (15x8). Looked ok. Looked better with 35s and 4" lift.

03-22-2004, 07:47 AM	#1
project87 Registered User Join Date: Mar 2004 Location: Northern Illinois Posts: 15	tire sizes on stock 87 4x4 LWB currently i have 235/75/15's on my truck, they look tiny on this truck, my buddy says i can get 32's on it without a lift and no rubbing? Any one have other size tires on a stock 4x4? thanks

03-23-2004, 07:24 AM	#5
JIMs70GMC user # 2756 Join Date: Jun 2001 Location: Chesapeake, Virginia Posts: 4,612	My 85 had 31s on the stock ralleys (15x8). Looked ok. Looked better with 35s and 4" lift. __________________ 1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs 1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX 1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears 1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now..... 1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone. 1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed. 1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm

03-22-2004, 09:19 AM	#2
DivineFord My Name Is Mudd Join Date: Feb 2004 Location: Bangor, Maine Posts: 101	I have known lots of people that run 31-32 inch tires on stock 1/2 ton pickups. they use small tires from the factory for a better ride and better fuel economy, but most trucks will fit a tire a few sizes larger than stock. The tires I have on my 92 half ton are almost 32 inches tall, and this truck came with tires that were 29 inches tall. no lift, no rubbing, no problem.

03-22-2004, 03:24 PM	#3
luxman2173 Registered User Join Date: Mar 2004 Location: st.john`s,newfoundland,canada Posts: 56	i have an 87 4x4 stock with 33`s and i have no problems at all.

03-22-2004, 08:58 PM	#4
project87 Registered User Join Date: Mar 2004 Location: Northern Illinois Posts: 15	Anyone have any pictures of their trucks. I just want to see how it will turn out. also, what backspacing would be good to widen it just a little bit? stock wheels are 15x7 with 4.5" right? thanks again!



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